When the Stavitsky couple secretly from each other contacts the detective bureau, the experienced detective comes to mind that their problems are somehow connected with each other. However, at first glance there is nothing in common between them. The wife is tormented by the eternal question: has her dapper husband taken a mistress? He, in turn, asks the detectives to find out about the mysterious threatening calls that haunt him. With enviable regularity, someone foretells his imminent end. And without explaining anything and without demanding anything. Who crossed the path of the owner of the Ocean of Dreams company? He has a profitable business, but the head of the detective bureau and his employee Dasha doubt that this is the case...